Cannot modify header information - headers already sent in /wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735

#1
How to fix this error,

Code:
[02-Feb-2023 09:57:02 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:57:05 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:57:17 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:57:20 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:57:55 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:58:05 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
[02-Feb-2023 09:58:39 UTC] PHP Warning:  Cannot modify header information - headers already sent in /home/vatocewebcp/public_html/i-sahl.com/wp-content/plugins/litespeed-cache/src/vary.cls.php on line 735
 
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